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45145 (1999 XN105)
Classification: Main-belt Asteroid          SPK-ID: 2045145
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659030480149982 6.6937e-08  
a 2.407128546593624 1.5927e-08 AU
q 2.007778583749829 1.6095e-07 AU
i 6.220755332925401 7.4881e-06 deg
node 40.63902172197251 5.8972e-05 deg
peri .05780853019472149 6.2572e-05 deg
M 338.897363760316 2.0414e-05 deg
tp 2456880.461616243052
(2014-Aug-10.96161624)
7.7566e-05 JED
period 1364.103589738494
3.73
1.3539e-05
3.707e-08
d
yr
n .2639095760088234 2.6193e-09 deg/d
Q 2.806478509437418 1.857e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      21050 days (57.63 yr)  
   first obs. used      1954-10-28  
   last obs. used      2012-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5272  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 03:19:01  

Additional Information
 Earth MOID = 1.01468 AU 
 T_jup = 3.495 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO233749  

45145 (1999 XN105)          Discovered 1999-Dec-08 by Shiozawa, H., Urata, T. at Nachi-Katsuura (905)
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XN105 = 1954 UR2 = 2001 FY48 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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